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Intramyocardial Triglycerides Among Women With vs Without HIV: Hormonal Correlates and Functional Consequences.

Toribio M, Neilan TG, Awadalla M, Stone LA, Rokicki A, Rivard C, Mulligan CP, Cagliero D, Fourman LT, Stanley TL, Ho JE, Triant VA, Burdo TH, Nelson MD, Szczepaniak LS, Zanni MV.

J Clin Endocrinol Metab. 2019 Dec 1;104(12):6090-6100. doi: 10.1210/jc.2019-01096.


Immune Correlates of Diffuse Myocardial Fibrosis and Diastolic Dysfunction Among Aging Women With Human Immunodeficiency Virus.

Zanni MV, Awadalla M, Toribio M, Robinson J, Stone LA, Cagliero D, Rokicki A, Mulligan CP, Ho JE, Neilan AM, Siedner MJ, Triant VA, Stanley TL, Szczepaniak LS, Jerosch-Herold M, Nelson MD, Burdo TH, Neilan TG.

J Infect Dis. 2019 May 17. pii: jiz184. doi: 10.1093/infdis/jiz184. [Epub ahead of print]


Insulin access to skeletal muscle is impaired during the early stages of diet-induced obesity.

Broussard JL, Castro AV, Iyer M, Paszkiewicz RL, Bediako IA, Szczepaniak LS, Szczepaniak EW, Bergman RN, Kolka CM.

Obesity (Silver Spring). 2016 Sep;24(9):1922-8. doi: 10.1002/oby.21562.


Transwomen and the Metabolic Syndrome: Is Orchiectomy Protective?

Nelson MD, Szczepaniak LS, Wei J, Szczepaniak E, Sánchez FJ, Vilain E, Stern JH, Bergman RN, Bairey Merz CN, Clegg DJ.

Transgend Health. 2016 Aug 1;1(1):165-171. doi: 10.1089/trgh.2016.0016. eCollection 2016.


Increased pericardial fat accumulation is associated with increased intramyocardial lipid content and duration of highly active antiretroviral therapy exposure in patients infected with human immunodeficiency virus: a 3T cardiovascular magnetic resonance feasibility study.

Diaz-Zamudio M, Dey D, LaBounty T, Nelson M, Fan Z, Szczepaniak LS, Hsieh BP, Rajani R, Berman D, Li D, Dharmakumar R, Hardy WD, Conte AH.

J Cardiovasc Magn Reson. 2015 Oct 31;17:91. doi: 10.1186/s12968-015-0193-2.


Myocardial steatosis as a possible mechanistic link between diastolic dysfunction and coronary microvascular dysfunction in women.

Wei J, Nelson MD, Szczepaniak EW, Smith L, Mehta PK, Thomson LE, Berman DS, Li D, Bairey Merz CN, Szczepaniak LS.

Am J Physiol Heart Circ Physiol. 2016 Jan 1;310(1):H14-9. doi: 10.1152/ajpheart.00612.2015. Epub 2015 Oct 30.


Rapid development of cardiac dysfunction in a canine model of insulin resistance and moderate obesity.

Broussard JL, Nelson MD, Kolka CM, Bediako IA, Paszkiewicz RL, Smith L, Szczepaniak EW, Stefanovski D, Szczepaniak LS, Bergman RN.

Diabetologia. 2016 Jan;59(1):197-207. doi: 10.1007/s00125-015-3767-5. Epub 2015 Sep 17.


Elevated nocturnal NEFA are an early signal for hyperinsulinaemic compensation during diet-induced insulin resistance in dogs.

Broussard JL, Kolka CM, Castro AV, Asare Bediako I, Paszkiewicz RL, Szczepaniak EW, Szczepaniak LS, Knutson KL, Kim SP, Bergman RN.

Diabetologia. 2015 Nov;58(11):2663-70. doi: 10.1007/s00125-015-3721-6. Epub 2015 Aug 9.


Cardiac steatosis and left ventricular dysfunction in HIV-infected patients treated with highly active antiretroviral therapy.

Nelson MD, Szczepaniak LS, LaBounty TM, Szczepaniak E, Li D, Tighiouart M, Li Q, Dharmakumar R, Sannes G, Fan Z, Yumul R, Hardy WD, Hernandez Conte A.

JACC Cardiovasc Imaging. 2014 Nov;7(11):1175-7. doi: 10.1016/j.jcmg.2014.04.024. Epub 2014 Nov 10. No abstract available.


Increase in visceral fat per se does not induce insulin resistance in the canine model.

Castro AV, Woolcott OO, Iyer MS, Kabir M, Ionut V, Stefanovski D, Kolka CM, Szczepaniak LS, Szczepaniak EW, Asare-Bediako I, Paszkiewicz RL, Broussard JL, Kim SP, Kirkman EL, Rios HC, Mkrtchyan H, Wu Q, Ader M, Bergman RN.

Obesity (Silver Spring). 2015 Jan;23(1):105-11. doi: 10.1002/oby.20906. Epub 2014 Oct 16.


Is cardiorespiratory fitness a determinant of cardiomyopathy in the setting of type 2 diabetes?

Sénéchal M, Ayers CR, Szczepaniak LS, Gore MO, See R, Abdullah SM, Berry JD, McGuire DK, McGavock JM.

Diab Vasc Dis Res. 2014 Sep;11(5):343-51. doi: 10.1177/1479164114540924. Epub 2014 Jul 15.


Diastolic dysfunction in women with signs and symptoms of ischemia in the absence of obstructive coronary artery disease: a hypothesis-generating study.

Nelson MD, Szczepaniak LS, Wei J, Haftabaradaren A, Bharadwaj M, Sharif B, Mehta P, Zhang X, Thomson LE, Berman DS, Li D, Bairey Merz CN.

Circ Cardiovasc Imaging. 2014 May;7(3):510-6. doi: 10.1161/CIRCIMAGING.114.001714. Epub 2014 Mar 14.


Effects of age and aerobic fitness on myocardial lipid content.

Sarma S, Carrick-Ranson G, Fujimoto N, Adams-Huet B, Bhella PS, Hastings JL, Shafer KM, Shibata S, Boyd K, Palmer D, Szczepaniak EW, Szczepaniak LS, Levine BD.

Circ Cardiovasc Imaging. 2013 Nov;6(6):1048-55. doi: 10.1161/CIRCIMAGING.113.000565. Epub 2013 Sep 13.


The metabolic cost of lowering blood pressure with hydrochlorothiazide.

Price AL, Lingvay I, Szczepaniak EW, Wiebel J, Victor RG, Szczepaniak LS.

Diabetol Metab Syndr. 2013 Jul 9;5(1):35. doi: 10.1186/1758-5996-5-35.


Cardiac steatosis and left ventricular hypertrophy in patients with generalized lipodystrophy as determined by magnetic resonance spectroscopy and imaging.

Nelson MD, Victor RG, Szczepaniak EW, Simha V, Garg A, Szczepaniak LS.

Am J Cardiol. 2013 Oct 1;112(7):1019-24. doi: 10.1016/j.amjcard.2013.05.036. Epub 2013 Jun 22.


Measurement of pancreatic volume by abdominal MRI: a validation study.

Szczepaniak EW, Malliaras K, Nelson MD, Szczepaniak LS.

PLoS One. 2013;8(2):e55991. doi: 10.1371/journal.pone.0055991. Epub 2013 Feb 13.


Pancreatic steatosis and its relationship to β-cell dysfunction in humans: racial and ethnic variations.

Szczepaniak LS, Victor RG, Mathur R, Nelson MD, Szczepaniak EW, Tyer N, Chen I, Unger RH, Bergman RN, Lingvay I.

Diabetes Care. 2012 Nov;35(11):2377-83. doi: 10.2337/dc12-0701. Epub 2012 Sep 11.


Effect of insulin versus triple oral therapy on the progression of hepatic steatosis in type 2 diabetes.

Lingvay I, Roe ED, Duong J, Leonard D, Szczepaniak LS.

J Investig Med. 2012 Oct;60(7):1059-63. doi: 10.2310/JIM.0b013e3182621c5f.


The effects of rosiglitazone on myocardial triglyceride content in patients with type 2 diabetes: a randomised, placebo-controlled trial.

McGavock J, Szczepaniak LS, Ayers CR, Abdullah SM, See R, Gore MO, Drazner MH, de Lemos JA, McGuire DK.

Diab Vasc Dis Res. 2012 Apr;9(2):131-7. doi: 10.1177/1479164111428628. Epub 2011 Nov 8.


Potential of electron beam computed tomography for coronary artery calcium screening to evaluate fatty liver: comparison with 1H magnetic resonance spectroscopy in the Dallas Heart Study.

Matulevicius S, Huff LC, Szczepaniak LS, Ayers CR, Budoff M, McColl R, Khera A, Peshock RM.

J Investig Med. 2011 Jun;59(5):780-6. doi: 10.2310/JIM.0b013e318216ad1d.


Randomized comparison of the effects of rosiglitazone vs. placebo on peak integrated cardiovascular performance, cardiac structure, and function.

McGuire DK, Abdullah SM, See R, Snell PG, McGavock J, Szczepaniak LS, Ayers CR, Drazner MH, Khera A, de Lemos JA.

Eur Heart J. 2010 Sep;31(18):2262-70. doi: 10.1093/eurheartj/ehq228. Epub 2010 Jul 2.


Neutral lipid storage disease with subclinical myopathy due to a retrotransposal insertion in the PNPLA2 gene.

Akman HO, Davidzon G, Tanji K, Macdermott EJ, Larsen L, Davidson MM, Haller RG, Szczepaniak LS, Lehman TJ, Hirano M, DiMauro S.

Neuromuscul Disord. 2010 Jun;20(6):397-402. doi: 10.1016/j.nmd.2010.04.004. Epub 2010 May 14.


Adiposity-independent sympathetic activity in black men.

Abbas A, Szczepaniak LS, Tuncel M, McGavock JM, Huet B, Fadel PJ, Wang Z, Arbique D, Victor R, Vongpatanasin W.

J Appl Physiol (1985). 2010 Jun;108(6):1613-8. doi: 10.1152/japplphysiol.00058.2010. Epub 2010 Mar 18.


Pancreatic steatosis: harbinger of type 2 diabetes in obese rodents.

Lee Y, Lingvay I, Szczepaniak LS, Ravazzola M, Orci L, Unger RH.

Int J Obes (Lond). 2010 Feb;34(2):396-400. doi: 10.1038/ijo.2009.245. Epub 2009 Dec 15.


Noninvasive quantification of pancreatic fat in humans.

Lingvay I, Esser V, Legendre JL, Price AL, Wertz KM, Adams-Huet B, Zhang S, Unger RH, Szczepaniak LS.

J Clin Endocrinol Metab. 2009 Oct;94(10):4070-6. doi: 10.1210/jc.2009-0584. Epub 2009 Sep 22.


The fatty hearts of patients with diabetes.

Lingvay I, Raskin P, Szczepaniak LS.

Nat Rev Cardiol. 2009 Apr;6(4):268-9. doi: 10.1038/nrcardio.2009.30.


The effect of rosiglitazone on integrated cardiovascular performance, cardiac structure, function and myocardial triglyceride: trial design and rationale.

McGuire DK, See R, Abdullah SM, Snell PG, McGavock JM, Ayers CR, Szczepaniak LS.

Diab Vasc Dis Res. 2009 Jan;6(1):43-50. doi: 10.3132/dvdr.2009.009.


Effects of N-3 fatty acids on hepatic triglyceride content in humans.

Vega GL, Chandalia M, Szczepaniak LS, Grundy SM.

J Investig Med. 2008 Jun;56(5):780-5. doi: 10.2310/JIM.0b013e318177024d.


Forgotten but not gone: the rediscovery of fatty heart, the most common unrecognized disease in America.

Szczepaniak LS, Victor RG, Orci L, Unger RH.

Circ Res. 2007 Oct 12;101(8):759-67. Review.


Effect of pioglitazone therapy on myocardial and hepatic steatosis in insulin-treated patients with type 2 diabetes.

Zib I, Jacob AN, Lingvay I, Salinas K, McGavock JM, Raskin P, Szczepaniak LS.

J Investig Med. 2007 Jul;55(5):230-6. doi: 10.2310/6650.2007.00003.


Cardiac steatosis in diabetes mellitus: a 1H-magnetic resonance spectroscopy study.

McGavock JM, Lingvay I, Zib I, Tillery T, Salas N, Unger R, Levine BD, Raskin P, Victor RG, Szczepaniak LS.

Circulation. 2007 Sep 4;116(10):1170-5. Epub 2007 Aug 13.


Metabolic correlates of nonalcoholic fatty liver in women and men.

Vega GL, Chandalia M, Szczepaniak LS, Grundy SM.

Hepatology. 2007 Sep;46(3):716-22.


Effect of insulin-metformin combination on hepatic steatosis in patients with type 2 diabetes.

Lingvay I, Raskin P, Szczepaniak LS.

J Diabetes Complications. 2007 May-Jun;21(3):137-42.


Adiposity of the heart, revisited.

McGavock JM, Victor RG, Unger RH, Szczepaniak LS; American College of Physicians and the American Physiological Society.

Ann Intern Med. 2006 Apr 4;144(7):517-24. Review.


Determination of triglyceride in the human myocardium by magnetic resonance spectroscopy: reproducibility and sensitivity of the method.

Reingold JS, McGavock JM, Kaka S, Tillery T, Victor RG, Szczepaniak LS.

Am J Physiol Endocrinol Metab. 2005 Nov;289(5):E935-9. Epub 2005 Jun 21.


Prevalence of hepatic steatosis in an urban population in the United States: impact of ethnicity.

Browning JD, Szczepaniak LS, Dobbins R, Nuremberg P, Horton JD, Cohen JC, Grundy SM, Hobbs HH.

Hepatology. 2004 Dec;40(6):1387-95.


Magnetic resonance spectroscopy to measure hepatic triglyceride content: prevalence of hepatic steatosis in the general population.

Szczepaniak LS, Nurenberg P, Leonard D, Browning JD, Reingold JS, Grundy S, Hobbs HH, Dobbins RL.

Am J Physiol Endocrinol Metab. 2005 Feb;288(2):E462-8. Epub 2004 Aug 31.


Chemical sympathectomy alters regulation of body weight during prolonged ICV leptin infusion.

Dobbins RL, Szczepaniak LS, Zhang W, McGarry JD.

Am J Physiol Endocrinol Metab. 2003 Apr;284(4):E778-87. Epub 2002 Dec 27.


Myocardial triglycerides and systolic function in humans: in vivo evaluation by localized proton spectroscopy and cardiac imaging.

Szczepaniak LS, Dobbins RL, Metzger GJ, Sartoni-D'Ambrosia G, Arbique D, Vongpatanasin W, Unger R, Victor RG.

Magn Reson Med. 2003 Mar;49(3):417-23.


Effect of leptin replacement on intrahepatic and intramyocellular lipid content in patients with generalized lipodystrophy.

Simha V, Szczepaniak LS, Wagner AJ, DePaoli AM, Garg A.

Diabetes Care. 2003 Jan;26(1):30-5.


Magnetic resonance spectroscopy of renal and other retroperitoneal tumors.

Nurenberg P, Sartoni-D'Ambrosia G, Szczepaniak LS.

Curr Opin Urol. 2002 Sep;12(5):375-80. Review.


The composition of dietary fat directly influences glucose-stimulated insulin secretion in rats.

Dobbins RL, Szczepaniak LS, Myhill J, Tamura Y, Uchino H, Giacca A, McGarry JD.

Diabetes. 2002 Jun;51(6):1825-33.


Bulk magnetic susceptibility effects on the assessment of intra- and extramyocellular lipids in vivo.

Szczepaniak LS, Dobbins RL, Stein DT, McGarry JD.

Magn Reson Med. 2002 Mar;47(3):607-10.


Knockout mice lacking steroidogenic factor 1 are a novel genetic model of hypothalamic obesity.

Majdic G, Young M, Gomez-Sanchez E, Anderson P, Szczepaniak LS, Dobbins RL, McGarry JD, Parker KL.

Endocrinology. 2002 Feb;143(2):607-14.


Cardiac dysfunction in mice lacking cytochrome-c oxidase subunit VIaH.

Radford NB, Wan B, Richman A, Szczepaniak LS, Li JL, Li K, Pfeiffer K, Schägger H, Garry DJ, Moreadith RW.

Am J Physiol Heart Circ Physiol. 2002 Feb;282(2):H726-33.


Prolonged inhibition of muscle carnitine palmitoyltransferase-1 promotes intramyocellular lipid accumulation and insulin resistance in rats.

Dobbins RL, Szczepaniak LS, Bentley B, Esser V, Myhill J, McGarry JD.

Diabetes. 2001 Jan;50(1):123-30.


Measurement of intracellular triglyceride stores by H spectroscopy: validation in vivo.

Szczepaniak LS, Babcock EE, Schick F, Dobbins RL, Garg A, Burns DK, McGarry JD, Stein DT.

Am J Physiol. 1999 May;276(5):E977-89. doi: 10.1152/ajpendo.1999.276.5.E977.


Quantitative MRI of Gd-DTPA uptake in tumors: response to photodynamic therapy.

Kennedy SD, Szczepaniak LS, Gibson SL, Hilf R, Foster TH, Bryant RG.

Magn Reson Med. 1994 Mar;31(3):292-301.


Nuclear magnetic spin-lattice relaxation of water protons caused by metal cage compounds.

Szczepaniak LS, Sargeson A, Creasei II, Geue RJ, Tweedle M, Bryant RG.

Bioconjug Chem. 1992 Jan-Feb;3(1):27-31.


Comparison of agarose and cross-linked protein gels as magnetic resonance imaging phantoms.

Mendelson DA, Heinsbergen JF, Kennedy SD, Szczepaniak LS, Lester CC, Bryant RG.

Magn Reson Imaging. 1991;9(6):975-8.


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